mirror of
https://github.com/Ryujinx/Ryujinx.git
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312 lines
10 KiB
C#
312 lines
10 KiB
C#
using ARMeilleure.Memory;
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Memory;
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using Ryujinx.HLE.HOS.Kernel.Process;
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using Ryujinx.HLE.Loaders.Executables;
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using Ryujinx.HLE.Loaders.Npdm;
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namespace Ryujinx.HLE.HOS
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{
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class ProgramLoader
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{
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private const bool AslrEnabled = true;
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private const int ArgsHeaderSize = 8;
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private const int ArgsDataSize = 0x9000;
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private const int ArgsTotalSize = ArgsHeaderSize + ArgsDataSize;
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public static bool LoadKernelInitalProcess(Horizon system, KernelInitialProcess kip)
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{
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int endOffset = kip.DataOffset + kip.Data.Length;
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if (kip.BssSize != 0)
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{
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endOffset = kip.BssOffset + kip.BssSize;
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}
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int codeSize = BitUtils.AlignUp(kip.TextOffset + endOffset, KMemoryManager.PageSize);
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int codePagesCount = codeSize / KMemoryManager.PageSize;
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ulong codeBaseAddress = kip.Addr39Bits ? 0x8000000UL : 0x200000UL;
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ulong codeAddress = codeBaseAddress + (ulong)kip.TextOffset;
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int mmuFlags = 0;
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if (AslrEnabled)
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{
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// TODO: Randomization.
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mmuFlags |= 0x20;
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}
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if (kip.Addr39Bits)
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{
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mmuFlags |= (int)AddressSpaceType.Addr39Bits << 1;
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}
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if (kip.Is64Bits)
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{
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mmuFlags |= 1;
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}
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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kip.Name,
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kip.ProcessCategory,
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kip.TitleId,
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codeAddress,
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codePagesCount,
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mmuFlags,
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0,
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0);
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MemoryRegion memoryRegion = kip.IsService
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? MemoryRegion.Service
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: MemoryRegion.Application;
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KMemoryRegionManager region = system.MemoryRegions[(int)memoryRegion];
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KernelResult result = region.AllocatePages((ulong)codePagesCount, false, out KPageList pageList);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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KProcess process = new KProcess(system);
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result = process.InitializeKip(
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creationInfo,
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kip.Capabilities,
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pageList,
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system.ResourceLimit,
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memoryRegion);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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result = LoadIntoMemory(process, kip, codeBaseAddress);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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process.DefaultCpuCore = kip.DefaultProcessorId;
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result = process.Start(kip.MainThreadPriority, (ulong)kip.MainThreadStackSize);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process start returned error \"{result}\".");
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return false;
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}
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system.Processes.Add(process.Pid, process);
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return true;
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}
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public static bool LoadStaticObjects(
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Horizon system,
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Npdm metaData,
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IExecutable[] staticObjects,
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byte[] arguments = null)
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{
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if (!metaData.Is64Bits)
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{
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Logger.PrintWarning(LogClass.Loader, "32-bits application detected.");
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}
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ulong argsStart = 0;
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int argsSize = 0;
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ulong codeStart = metaData.Is64Bits ? 0x8000000UL : 0x200000UL;
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int codeSize = 0;
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ulong[] nsoBase = new ulong[staticObjects.Length];
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for (int index = 0; index < staticObjects.Length; index++)
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{
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IExecutable staticObject = staticObjects[index];
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int textEnd = staticObject.TextOffset + staticObject.Text.Length;
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int roEnd = staticObject.RoOffset + staticObject.Ro.Length;
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int dataEnd = staticObject.DataOffset + staticObject.Data.Length + staticObject.BssSize;
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int nsoSize = textEnd;
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if ((uint)nsoSize < (uint)roEnd)
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{
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nsoSize = roEnd;
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}
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if ((uint)nsoSize < (uint)dataEnd)
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{
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nsoSize = dataEnd;
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}
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nsoSize = BitUtils.AlignUp(nsoSize, KMemoryManager.PageSize);
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nsoBase[index] = codeStart + (ulong)codeSize;
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codeSize += nsoSize;
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if (arguments != null && argsSize == 0)
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{
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argsStart = (ulong)codeSize;
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argsSize = BitUtils.AlignDown(arguments.Length * 2 + ArgsTotalSize - 1, KMemoryManager.PageSize);
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codeSize += argsSize;
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}
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}
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int codePagesCount = codeSize / KMemoryManager.PageSize;
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int personalMmHeapPagesCount = metaData.PersonalMmHeapSize / KMemoryManager.PageSize;
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ProcessCreationInfo creationInfo = new ProcessCreationInfo(
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metaData.TitleName,
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metaData.ProcessCategory,
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metaData.Aci0.TitleId,
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codeStart,
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codePagesCount,
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metaData.MmuFlags,
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0,
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personalMmHeapPagesCount);
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KernelResult result;
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KResourceLimit resourceLimit = new KResourceLimit(system);
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long applicationRgSize = (long)system.MemoryRegions[(int)MemoryRegion.Application].Size;
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result = resourceLimit.SetLimitValue(LimitableResource.Memory, applicationRgSize);
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result |= resourceLimit.SetLimitValue(LimitableResource.Thread, 608);
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result |= resourceLimit.SetLimitValue(LimitableResource.Event, 700);
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result |= resourceLimit.SetLimitValue(LimitableResource.TransferMemory, 128);
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result |= resourceLimit.SetLimitValue(LimitableResource.Session, 894);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization failed setting resource limit values.");
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return false;
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}
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KProcess process = new KProcess(system);
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MemoryRegion memoryRegion = (MemoryRegion)((metaData.Acid.Flags >> 2) & 0xf);
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if (memoryRegion > MemoryRegion.NvServices)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
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return false;
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}
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result = process.Initialize(
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creationInfo,
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metaData.Aci0.KernelAccessControl.Capabilities,
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resourceLimit,
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memoryRegion);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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for (int index = 0; index < staticObjects.Length; index++)
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{
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Logger.PrintInfo(LogClass.Loader, $"Loading image {index} at 0x{nsoBase[index]:x16}...");
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result = LoadIntoMemory(process, staticObjects[index], nsoBase[index]);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process initialization returned error \"{result}\".");
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return false;
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}
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}
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process.DefaultCpuCore = metaData.DefaultCpuId;
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result = process.Start(metaData.MainThreadPriority, (ulong)metaData.MainThreadStackSize);
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if (result != KernelResult.Success)
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{
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Logger.PrintError(LogClass.Loader, $"Process start returned error \"{result}\".");
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return false;
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}
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system.Processes.Add(process.Pid, process);
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return true;
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}
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private static KernelResult LoadIntoMemory(KProcess process, IExecutable image, ulong baseAddress)
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{
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ulong textStart = baseAddress + (ulong)image.TextOffset;
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ulong roStart = baseAddress + (ulong)image.RoOffset;
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ulong dataStart = baseAddress + (ulong)image.DataOffset;
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ulong bssStart = baseAddress + (ulong)image.BssOffset;
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ulong end = dataStart + (ulong)image.Data.Length;
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if (image.BssSize != 0)
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{
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end = bssStart + (ulong)image.BssSize;
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}
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process.CpuMemory.WriteBytes((long)textStart, image.Text);
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process.CpuMemory.WriteBytes((long)roStart, image.Ro);
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process.CpuMemory.WriteBytes((long)dataStart, image.Data);
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MemoryHelper.FillWithZeros(process.CpuMemory, (long)bssStart, image.BssSize);
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KernelResult SetProcessMemoryPermission(ulong address, ulong size, MemoryPermission permission)
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{
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if (size == 0)
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{
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return KernelResult.Success;
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}
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size = BitUtils.AlignUp(size, KMemoryManager.PageSize);
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return process.MemoryManager.SetProcessMemoryPermission(address, size, permission);
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}
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KernelResult result = SetProcessMemoryPermission(textStart, (ulong)image.Text.Length, MemoryPermission.ReadAndExecute);
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if (result != KernelResult.Success)
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{
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return result;
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}
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result = SetProcessMemoryPermission(roStart, (ulong)image.Ro.Length, MemoryPermission.Read);
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if (result != KernelResult.Success)
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{
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return result;
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}
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return SetProcessMemoryPermission(dataStart, end - dataStart, MemoryPermission.ReadAndWrite);
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}
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}
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}
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